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Use external print handler in riot-stm32f4 target (#1814)

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Extend example code with registering the `print` function in the global object.

JerryScript-DCO-1.0-Signed-off-by: Robert Sipka rsipka.uszeged@partner.samsung.com
This commit is contained in:
Robert Sipka
2017-05-11 20:46:14 +02:00
committed by Akos Kiss
parent 838e74df0f
commit 2b152f079a
3 changed files with 62 additions and 6 deletions
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targets/riot-stm32f4/source/main-riotos.c
+58 -3
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@@ -17,6 +17,30 @@
#include <string.h>
#include "shell.h"
#include "jerryscript.h"
#include "jerryscript-ext/handler.h"
/**
* Standalone Jerry exit codes
*/
#define JERRY_STANDALONE_EXIT_CODE_OK (0)
#define JERRY_STANDALONE_EXIT_CODE_FAIL (1)
/**
* Register a JavaScript function in the global object.
*/
static void
register_js_function (const char *name_p, /**< name of the function */
jerry_external_handler_t handler_p) /**< function callback */
{
jerry_value_t result_val = jerryx_handler_register_global ((const jerry_char_t *) name_p, handler_p);
if (jerry_value_has_error_flag (result_val))
{
printf ("Warning: failed to register '%s' method.", name_p);
}
jerry_release_value (result_val);
} /* register_js_function */
/**
* Jerryscript simple test
@@ -26,13 +50,44 @@ int test_jerry (int argc, char **argv)
/* Suppress compiler errors */
(void) argc;
(void) argv;
jerry_value_t ret_value = jerry_create_undefined ();
const jerry_char_t script[] = "print ('Hello, World!');";
size_t script_size = strlen ((const char *) script);
printf ("This test run the following script code: [%s]\n\n", script);
size_t script_size = strlen ((const char *) script);
bool ret_value = jerry_run_simple (script, script_size, JERRY_INIT_EMPTY);
/* Initialize engine */
jerry_init (JERRY_INIT_EMPTY);
/* Register the print function in the global object. */
register_js_function ("print", jerryx_handler_print);
/* Setup Global scope code */
ret_value = jerry_parse (script, script_size, false);
if (!jerry_value_has_error_flag (ret_value))
{
/* Execute the parsed source code in the Global scope */
ret_value = jerry_run (ret_value);
}
int ret_code = JERRY_STANDALONE_EXIT_CODE_OK;
if (jerry_value_has_error_flag (ret_value))
{
printf ("Script Error!");
ret_code = JERRY_STANDALONE_EXIT_CODE_FAIL;
}
jerry_release_value (ret_value);
/* Cleanup engine */
jerry_cleanup ();
return ret_code;
return (ret_value ? 1 : 0);
} /* test_jerry */
const shell_command_t shell_commands[] = {